Openmoko Bug #321: ftdi_eeprom often fails silently
Openmoko Public Trac
bugs at docs.openmoko.org
Thu Oct 30 16:02:34 CET 2008
#321: ftdi_eeprom often fails silently
------------------------------------+---------------------------------------
Reporter: werner at openmoko.org | Owner: openmoko-kernel
Type: defect | Status: closed
Priority: high | Milestone:
Component: default component | Version: Version 2
Severity: critical | Resolution: fixed
Keywords: | Haspatch: 0
Blockedby: | Estimated:
Patchreview: | Blocking:
Reproducible: |
------------------------------------+---------------------------------------
Changes (by werner):
* status: assigned => closed
* resolution: => fixed
Comment:
Oh, this was a hardware problem: the capacitative load on upstream VBUS
was way too large, causing VBUS to collapse under the inrush current
just at the moment when the FTDI chip tried to read from the EEPROM.
Fixed with debug board v3.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/321#comment:11>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
More information about the buglog
mailing list